National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Fire Weather and Severe Thunderstorms through the Weekend

Dry, windy conditions will bring elevated to critical fire risks to the northern Plains today, and southern High Plains and the Southwest through the weekend. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible today and Saturday across parts of the central Plains. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

82°F

28°C

Humidity 77%
Wind Speed E 10 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 May 9:54 pm ChST
Extended Forecast for

Agat GU

  • Tonight

    Tonight: Partly cloudy, with a low around 77. East wind 9 to 11 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 88 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers. Partly cloudy, with a low around 78. East wind 11 to 17 mph, with gusts as high as 22 mph.

    Low: 78 °F

    Isolated
    Showers

  • Sunday

    Sunday: Isolated showers. Mostly sunny, with a high near 86. East wind 11 to 16 mph, with gusts as high as 21 mph.

    High: 86 °F

    Isolated
    Showers

  • Sunday Night

    Sunday Night: Isolated showers. Partly cloudy, with a low around 78. East wind 9 to 16 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 78.

    Low: 78 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 77. East wind 9 to 11 mph.
Saturday
Isolated showers. Mostly sunny, with a high near 88. East wind 10 to 17 mph, with gusts as high as 22 mph.
Saturday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 11 to 17 mph, with gusts as high as 22 mph.
Sunday
Isolated showers. Mostly sunny, with a high near 86. East wind 11 to 16 mph, with gusts as high as 21 mph.
Sunday Night
Isolated showers. Partly cloudy, with a low around 78. East wind 9 to 16 mph, with gusts as high as 20 mph.
Monday
Isolated showers. Mostly sunny, with a high near 86.
Monday Night
Mostly cloudy, with a low around 78.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 78.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 78.
Friday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
Last Update:
6:06 pm ChST May 15, 2026
Forecast Valid:
10pm ChST May 15, 2026-6pm ChST May 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation